UPDATED: iOS 9.3: What features are in the new iPhone and iPad update?

iOS 9.3: Night Shift, Education and NotesUpdate: Apple's iOS 9.3 is expected to launch tomorrow at its March 21 keynote. Here's everything we know about the new iPhone and iPad update. iOS 9.3 is the biggest incremental iPhone and iPad update in several years, as Apple has new software features that go as far as changing your sleeping habits.That's right, the iOS 9.3 beta 7 download that we're testing out has the long-sought-after iPhone Night Shift feature to control the blue light levels emitt